* Add jest coverage
This will add coverage for any tests ran in jest under the `test:coverage:jest` command, which is currently being used in CI. I set the values to the current test coverage in `ui/app/pages/swaps`.
* Lint
* Setup jest config
* Adjust test for jest.
* Adjust lint config
* Omit swaps ui folder for unit testing
* Omit swaps from test:unit:lax
* Add jest.config.js to script files
* Restore mocks rather than clearing them.
* Update jest config and adjust lint to include subdirs
* Convert view-quote-price-difference test to jest
* Add jest ci and ci coverage scripts. Add jest unit test to general test command
* Add test coverage to ci
* Use --ignore flag
* Fixup
* Add @metamask/eslint-config-jest
* Update .eslintrc.js
Co-authored-by: Mark Stacey <markjstacey@gmail.com>
* Adds jest-coverage/
Co-authored-by: Mark Stacey <markjstacey@gmail.com>
